Message body:Your video may have content that is owned or licensed by Music Publishing Rights Collecting Society.

No action is required on your part; however, if you are interested in learning how this affects your video, please open attached file with Content ID Matches section of your account for more information.

Sincerely,- The YouTube Team

The attached ZIP file, however, contains the Troj/Agent-XXC Trojan horse.

Sophos anti-virus products have been capable of detecting the malware since September 25th - but users of products from other vendors may not be as well protected.

Always be suspicious of unsolicited emails - and don't rush to click on unexpected attachments.